Home / 2,252.39-3,108.48-1,308.48

Finding the Fourth Proportional to 2,252.39, 3,108.48 and 1,308.48

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Solution

The fourth proportional to 2,252.39, 3,108.48 and 1,308.48 is: 1,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.39 : 3,108.48 = 1,308.48 : x
  2. Step 2: Convert to fraction form
    2,252.39/3,108.48 = 1,308.48/x
  3. Step 3: Cross multiply
    2,252.39x = 3,108.48 × 1,308.48
  4. Step 4: Simplify right side
    2,252.39x = 4,067,383.91
  5. Step 5: Solve for x
    x = 4,067,383.91/2,252.39
  6. Step 6: Final answer
    x = 1,805.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.